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Net-zero waste to be mandatory for buildings

All upcoming housing societies and commercial complexes in the country will soon mandatorily have to ensure net zero waste and have their liquid discharge treated, as part of the government’s push for reforming and modernising the sewage disposal system. Achieving net zero waste means reducing, reusing, and recovering waste streams (sludge) to convert them to valuable resources so that zero solid waste is sent to landfills. The Ministry of Housing and Urban Affairs will be sending a directive, likely by the end of March, to all State governments to make…

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Meet effluent treatment norms by April 30 or face action, firms told in Chandigarh

Chandigarh Smart City Limited (CSCL) has finally written to companies doing the upgradation the sewage treatment plant (STP), directing them to meet all norms of liquid effluent treatment at any cost by April 30 or be ready to face major action. Since three STPs are being upgraded, the biggest Diggian-based plant is with one company, while remaining two STPs are also being run by one company as they are small in size. The letter has come after a visit of the adviser to the UT administrator, the home-cum-local bodies secretary…

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Calangute sewerage plant awaiting reverse pipeline

The long-delayed sewerage network and treatment plant (STP) in Calangute cannot function unless there is a “reverse pipeline” to take the treated water from the STP to the garbage treatment plant in Saligao, Calangute MLA Michael Lobo said. The recent episode of beach shacks in Calangute releasing their sewage into illegal soak pits or into the sea has brought the Rs 100-crore JICA-funded sewerage project in the tourism hub back in focus. Many hotels and resorts are also allegedly releasing sewage into nullahs, fields and other places. Lobo said that…

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Delhi L-G writes to CM Kejriwal, flags miserable hygiene condition at Wazirabad Water Treatment Plant

In a fresh round of friction between Delhi Lieutenant-Governor (L-G) VK Saxena and the ruling Aam Aadmi Party (AAP), the former has written to Chief Minister Arvind Kejriwal, flagging the miserable hygiene and sanitary conditions at Wazirabad Water Treatment Plant (WTP) that supplies drinking water to large parts of the national capital. This comes after the L-G visited the facility on Saturday and expressed his concern seeing the worsening condition of the plant. In his letter, L-G Saxena also flagged gross inaction on part of the Delhi Jal Board (DJB)…

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Backed by civic bonds, tertiary water treatment plant in Ghaziabad likely to be ready by June

GHAZIABAD : The tertiary water treatment plant coming up in Indirapuram may miss its March deadline but is expected to be ready by June. The Rs 319.14-crore plant with a capacity to treat 4 million litres of water per day will reduce the dependency of the over 1,400 units in the Sahibabad industrial area on groundwater. “The work on the tertiary water treatment plant is 27%complete. We had set March as the target for commissioning the plant but the workflow was impeded after Graded Response Action Plan (GRAP) came into…

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Diarrhoea outbreak prompts water treatment plant in Himachal Pradesh CM Sukhvinder Singh Sukhu’s constituency

SHIMLA: The recent outbreak of diarrhoea in Jol Sappar area under Nadaun assembly constituency of chief minister Sukhvinder Singh Sukhu has prompted the state government to take action. To address the issue, the govt has decided to set up a water treatment plant for the three drinking water schemes of Kunah khad. A sum of Rs 1 crore has been immediately released to start the process, and the tender process will commence in the coming week. Deputy chief minister Mukesh Agnihotri said the noose on illegal mining around the drinking…

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Indian researchers develop tech to cut water use in textiles by 90%

The Indian Institute of Technology (IIT), Ropar has developed a green technology called air nano-bubble, which reduces the quantity of water used in the textile sector. The institute has claimed that the technology can reduce the use of water up to 90 per cent. As per a rough estimate, 200-250 litres of water is required to process 1 kg of cotton. “The laboratory reports suggest that the air nano-bubble dispersed in water can reduce water consumption and chemical dosage by 90-95 per cent which ultimately saves 90 per cent of…

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Punjab’s biggest sewage treatment plant for rejuvenating Ludhiana’s Buddha Nullah launched

Reiterating the firm commitment of the AAP government to clean Buddha Nullah in Ludhiana, Punjab Chief Minister Bhagwant Mann on Monday dedicated sewage treatment plant (STP) and other projects of Rs 315.50 crore for cleaning and rejuvenation of the drain. The Chief Minister, while addressing the gathering during dedication of Punjab’s biggest STP here, expressed concern over the polluted Buddha Nullah, adding this was the result of the callousness of successive governments of the state. Mann said he had been raising this issue as a Member of Parliament too because…

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Only 8 sewage treatment plants in Bengaluru monitored properly, study finds

A study by an NGO has found that out of Bengaluru’s 31 sewage treatment plants, only eight are monitored properly for chemical oxygen demand, biochemical oxygen demand, pH, total nitrogen, faecal coliform, ammoniacal nitrogen and suspended solids for wastewater treatment. ActionAid Association’s study found that the Bangalore Water Supply and Sewerage Board (BWSSB), which runs the sewage treatment plants, did not comply with the limits set by the Karnataka State Pollution Control Board (KSPCB) for the parameters. While the limit for total suspended solid—a parameter used to assess the quality…

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New technology for sewage treatment to boost lakes’ revival in Delhi

NEW DELHI: To revive lakes in the city with quality treated water, Delhi government is adopting a new technology that does aeration and bacteria treatment of the sewage to augment efficiency of the sewage treatment plants (STPs).Officials said they aimed at treating over 500MGD sewage, and over 150MGD treated water would be infused into the lakes, including 25 acres of Sanjay Lake. The technology uses aeration machines and the integrated fixed film activated sludge (IFAS) process to quickly enhance dissolved oxygen (DO) and reduce biochemical oxygen demand (BOD). While the…

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